<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		div{
			width: 350px;
			border: solid 1px #000;
			/* overflow: hidden; */
			position: absolute;

		}
		span{
			width: 100px;
			height: 100px;
			background: red;
			text-align: center;
			line-height: 100px;
			font-size: 40px;
			float: left;

		}
	</style>
</head>
<body>
	<div>
		<span>1</span>
		<span>2</span>
		<span>3</span>
		<span>4</span>
	</div>
</body>
</html>